import React, { Component } from 'react';
import logo from '../logo.svg';
import '../style/header.css'
class Head extends Component {
    render() {
      return (
        <div className="header">
           <span>我是一个header</span> 
           <img src={logo} alt=""/>
        </div>
      );
    }
  }
  
  export default Head;
  